LLO Addendum to Basic Laser Safety Training LIGO-G1000017-V1 LLO Addendum to Basic Laser Safety Training LIGO Laboratory Safety This presentation contains some important LLO site-specific information that is to be read by those who certify for "Zone Access" status. LIGO Laboratory Safety LIGO-G1000017-V1

LIGO Laboratory Safety Introduction Topics covered: Nominal Hazard Zones at LLO LVEA Entrance PSL Enclosure Laser Diode Room OSB Optics Lab HPLF Optics Lab VEAX Entrance VEAY Entrance There are several slides here that are intended to familiarize people with the laser safety measures that exist at LLO. Danger signs, status signs, locations of card readers, laser safety eyewear, phones and cameras are each shown in the LLO designated nominal hazard zones. LIGO Laboratory Safety LIGO-G1000017-V1

LIGO Livingston Observatory Laser Vacuum Equipment Area (LVEA) Nominal Hazard Zones (NHZ) Entrance to LVEA Control Room (Operator) Pre-Stabilized Laser (PSL) Optics Lab Laser Safety Officer (LSO) Laser Diode Room (LDR) “Facility Access” permits access to office buildings. “Facility Access” does NOT permit access to any nominal hazard zones. “Zone Access” permits access to LVEA, VEAX and VEAY. “Zone Access” does NOT permit access to PSL, OSB Optics Lab, LDR, HPLF Optics Lab, TCS, or TMON or PCAL in VEAX or VEAY. “Laser Operator” permits access to all NHZ’s. “Laser Operator” status is necessary but not sufficient to operate any laser at LLO. LIGO Laboratory Safety LIGO-G1000017-V1

LLO LVEA Entrance LIGO Laboratory Safety Exit Card Reader Entrance Card Reader Laser Safety Glasses Laser Hazard Status Sign Telephone Extension 183 (LVEA Portable) Extension 180 Required Laser Safety Glasses OD => 3.87 @ 1064nm (50W max) OD => 3.0 @ 10.6μm (10,600nm) (35W max) Panic Button (Emergency Laser Shut-off) Danger Sign on LVEA Entrance Door Danger Sign – identifies the wavelengths and OD requirements for laser safety eyewear. Laser Hazard Status Sign – identifies the CURRENT STATUS of the area about to be entered. Laser Safety Glasses – are the appropriate glasses for the wavelengths present and OD requirements. Panic Button – will completely shut off all lasers in the LVEA. Entrance Card Reader – must be swiped before entry. Wait for the green light to open the door! Exit Card Reader – must be swiped before exit. Wait for the green light to open the door! Telephones – are portable phones that can be used in the LVEA. LIGO Laboratory Safety LIGO-G1000017-V1

LLO Pre-Stabilized Laser (PSL) Enclosure NHZ Acoustic Enclosure PSL Enclosure Laser Exit Card Reader Entrance Card Reader 2 Card Readers (IN and OUT) Emergency Backup Laser Safety Glasses Panic Button (Emergency Shut-off) Danger Sign on Acoustic Enclosure Door PSL Enclosure Door Hazard Status Sign HAM1 (IOO) Table Enclosure Telephone Extension 177 Required Laser Safety Glasses OD => 3.0 @ 808nm OD => 3.87 @ 1064nm PSL-IOO Lockable Shutter In Light Pipe Camera 3 Danger Signs – identify the wavelengths present and the OD requirements for laser safety eyewear. Laser Hazard Status Signs – reflect the CURRENT STATUS of the NHZ. Laser Safety Glasses – are for emergency use only. If you have gotten this far, you should have glasses on. Panic Buttons – will completely shut off all lasers in the LVEA. Entrance Card Reader – must be swiped before entry. Wait for the green light to open the door. Exit Card Reader – must be swiped before exit. Wait for the green light to open the door. IN and OUT Card Readers – IN must be swiped before opening doors. OUT must be swiped after closing the doors. Telephone – is for communication. Camera – may be used by the Operator to view conditions within the NHZ. Shutter – is locked in the closed position during Laser Safe Status. LIGO Laboratory Safety LIGO-G1000017-V1

LLO Laser Diode Room (LDR) NHZ Not NHZ Exit Card Reader Entrance Card Reader Laser Safety Glasses Panic Button (Emergency Laser Shut-off) Danger Sign on Double Doors LDR Entrance Door Hazard Status Sign Telephone Extension 117 Required Laser Safety Glasses OD =>3.0 @ 808nm MOPA Laser Diodes Danger Signs – identify the wavelengths present and the OD requirements for laser safety eyewear. Laser Hazard Status Signs – reflect the CURRENT STATUS of the NHZ. Laser Safety Glasses – are for emergency use only. If you have gotten this far, you should have glasses on. Panic Buttons – will completely shut off all lasers in the LVEA. Entrance Card Reader – must be swiped before entry. Wait for the green light to open the door. Exit Card Reader – must be swiped before exit. Wait for the green light to open the door. Telephone – is for communication. LIGO Laboratory Safety LIGO-G1000017-V1

Required Laser Safety Glasses OD varies depending on lasers in use LLO OSB Optics Lab NHZ Clean, NOT NHZ Exit Card Reader Entrance Card Reader Laser Safety Glasses Laser Hazard Status Sign Telephone Extension 126 Required Laser Safety Glasses OD varies depending on lasers in use Extension xxx Controller Laser Protection Barrier Curtain Danger Signs – may identify the wavelengths present and the OD requirements for laser safety eyewear. Barrier Curtain – must be closed (in place) when NHZ is Laser Hazard Status. Laser Hazard Status Sign – reflects the CURRENT STATUS of the NHZ. Status Sign Controller – must be used to control the local Laser Hazard Status Sign. Laser Safety Glasses – are for use in this NHZ. Be sure to match wavelengths present and OD requirements. Entrance Card Reader – must be swiped before entry. Wait for the green light. Exit Card Reader – must be swiped before exit. Wait for the green light. Telephone – is for communication. LIGO Laboratory Safety LIGO-G1000017-V1

Required Laser Safety Glasses OD varies depending on lasers in use LLO HPLF Optics Lab NHZ Exit Card Reader Entrance Card Reader Laser Safety Glasses Laser Hazard Status Sign Required Laser Safety Glasses OD varies depending on lasers in use Telephone Extension 158 Panic Button (Emergency Laser Shut-off) Lab Rules Sign On HPLF Entrance Door Note: The panic buttons shown here (emergency laser shut-offs) only control lasers in the HPLF. Camera 14 Danger Signs – identify the wavelengths present and the OD requirements for laser safety eyewear. Laser Hazard Status Signs – reflect the CURRENT STATUS of the NHZ. Laser Safety Glasses – are for use in this NHZ. Be sure to match wavelengths present and OD requirements. Panic Buttons – will completely shut off all lasers in the HPLF. Entrance Card Reader – must be swiped before entry. Wait for the green light to open the door. Exit Card Reader – must be swiped before exit. Wait for the green light to open the door. Telephone – is for communication. Camera – may be used by the Operator to view conditions within the NHZ. Laser Enclosure LIGO Laboratory Safety LIGO-G1000017-V1

LLO VEAX Entrance LIGO Laboratory Safety NHZ Exit Card Reader Entrance Card Reader Laser Safety Glasses Required Laser Safety Glasses OD =>3.87 @ 1064nm (Transmission Monitor) OD => 3.0 @ 1047nm (Photon Calibrator) Telephone Extension 151 Laser Hazard Status Sign Danger Sign on Entrance Door Camera 8 Danger Signs – identify the wavelengths present and the OD requirements for laser safety eyewear. Laser Hazard Status Signs – reflect the CURRENT STATUS of the NHZ. Laser Safety Glasses – are for use in this NHZ. Be sure to match wavelengths present and OD requirements. Entrance Card Reader – must be swiped before entry. Wait for the green light to open the door. Exit Card Reader – must be swiped before exit. Wait for the green light to open the door. Telephone – is for communication. Camera – may be used by the Operator to view conditions within the NHZ. LIGO Laboratory Safety LIGO-G1000017-V1

LLO VEAY Entrance LIGO Laboratory Safety NHZ Exit Card Reader Entrance Card Reader Laser Safety Glasses Required Laser Safety Glasses OD =>3.87 @ 1064nm (Transmission Monitor) OD => 3.0 @ 1047nm (Photon Calibrator) Telephone Extension 187 Laser Hazard Status Sign Danger Sign on Entrance Door Camera 5 Danger Signs – identify the wavelengths present and the OD requirements for laser safety eyewear. Laser Hazard Status Signs – reflect the CURRENT STATUS of the NHZ. Laser Safety Glasses – are for use in this NHZ. Be sure to match wavelengths present and OD requirements. Entrance Card Reader – must be swiped before entry. Wait for the green light to open the door. Exit Card Reader – must be swiped before exit. Wait for the green light to open the door. Telephone – is for communication. Camera – may be used by the Operator to view conditions within the NHZ. LIGO Laboratory Safety LIGO-G1000017-V1